Lead Engineer, Duffel

Salary not provided

+ Equity

Elixir

Senior and Expert level

London

🌎 Visa sponsorship available

2+ days a week in office (Shoreditch, London)

API toolkit for selling flights online

Job no longer available

API toolkit for selling flights online

21-100 employees

B2BTravelEnterpriseFlightsAPI

Job no longer available

Salary not provided

+ Equity

Elixir

Senior and Expert level

London

🌎 Visa sponsorship available

2+ days a week in office (Shoreditch, London)

21-100 employees

B2BTravelEnterpriseFlightsAPI

Company mission

To rebuild the infrastructure that underpins the travel industry to make it accessible for anyone who wishes sell travel.

Job

Company

Role

Who you are

✅ You're passionate about designing beautiful APIs and creating great developer experiences
✅ You're interested in working with Elixir (previous experience not required—we value strong engineering fundamentals over specific languages)
✅ You have a high bar for code quality and API design
✅ You have opinions on good engineering standards and processes as we define ours at Duffel
✅ You think big picture - making tradeoffs between technical work and business impact
✅ You communicate clearly, articulating what you're working on and why in a structured way
✅ You thrive collaboratively - you believe in your methods but stay open to feedback and suggestions

Desirable

Bonus: Experience in travel, flights, hotels, or cars

What the job involves

We're building tools to simplify travel distribution, search, and booking through one seamless API. The technical challenge? Design a beautiful API, then integrate it with hundreds of airlines - each with different systems and requirements - whilst delivering a fantastic developer experience
We work with Elixir, Phoenix, Kubernetes, and Google Cloud Platform, but we value strong engineering fundamentals over specific tech experience

Salary benchmarks

Our take

In the same way that challenger banks have come along to re-invent legacy banking software from the ground up, Duffel is doing the same in the travel market, linking up airlines directly with travel agents with a modern platform.

Duffel's system connects with airlines’ booking channels more extensively than those of incumbent operators, like Amadeus and Sabre, meaning it can facilitate selling not just seats on a plane, but also other products such as speedy boarding, airport transfer and seat selection.

Add-on products make up an increasing part of airline revenues but are mostly sold through airlines' own websites at the moment. Duffel's technology will make it easier for airlines to sell more of these ancillary services, which is what makes its product so attractive to airline customers.

Freddie

Company Specialist at Welcome to the Jungle

Insights

Top investors

29% female employees

-31% employee growth in 12 months

Glassdoor (4.3)

Company

Funding (last 2 of 4 rounds)

Oct 2019

$30m

SERIES B

Jun 2019

$21.5m

SERIES A

Total funding: $56.4m

Company benefits

Flexible Working. Flexible Working. We work from the office 2 days per week where you'll be trusted to manage your own routine. Work 25 days per year from anywhere in the world upon manager approval
Paid Sabbatical. 12 weeks fully paid sabbatical after 4 years working at Duffel
Plenty of holidays. 27 days of annual leave per year + public holidays
Duffel Credits. A stipend to spend on flights for you and your family (just book it through Duffel's platform!)
Well-being. Physical and mental well-being support is provided through private healthcare. We also offer transportation schemes via our benefits platform
Retirement & Pension. Duffel will match a pension contribution up to 5% (based on qualifying earnings)
Learning & Development. A dedicated company budget to spend on your personal development
Family Leave. 26 weeks fully paid parental, adoption and/or foster care leave
Hybrid work from home policy

Company HQ

City of London, London, UK

Leadership

Steve Domin

(CEO & Founder)

Previously Head of Platform Engineering at GoCardless

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